Granted Patent
Utility
US 4,575,146 · App. 06/655,872
Protective truck liner retainer
Inventor:
Dennis A. Markos
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Sep 28, 1984
Inventor
Dennis A. Markos
Assignee (at issue)
Penda Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.